<template>
    <van-form @submit="submitForm" @failed="onFailed" ref="ruleFormRef" :m
   odel="form">
    <van-cell-group>
    <van-field 
    v-model="form.username" 
    label="账号：" 
    placeholder="请输入账号" 
    clearable
    name="username"
    :rules="usernameRules"
    ></van-field>
    </van-cell-group>
    <van-cell-group>
    <van-field
    v-model="form.password"
    label="密码："
    placeholder="请输入密码"
    clearable
    type="password"
    name="password"
    :rules="passwordRules"
    ></van-field> 
    </van-cell-group>
    <van-cell-group>
    <van-field
    v-model="form.confirmPassword"
    label="确认密码：" 
    placeholder="请再次输入密码"
    clearable
    type="password"
    name="confirmPassword"
 :rules="comfirmPasswordRules"
 ></van-field> 
 </van-cell-group>
 <van-cell-group>
<van-button block round type="primary" native-type="submit">注册</van-button>
 </van-cell-group> 
 </van-form>
 <div class="tip">注册成功后的用户可用于登录</div>
</template>
<script setup>
import { ref, reactive } from 'vue'
import { getUser, register } from '../api'
import useToken from '../stores/token'
import useUser from '../stores/user'
import { useRouter } from 'vue-router'
const { updateToken} = useToken()
const { updateUser } = useUser()
const form = reactive({
 username: '',
 password: '',
 confirmPassword: ''
})
const ruleFormRef = ref()
const router = useRouter()
// 定义验证规则
const usernameRules = ref([
 { required: true, message: '用户名不能为空', trigger: 'onBlur' },
 { pattern: /^\w{3,16}$/, message: '用户名长度为 3-16 个字符', trigger: 'onBlur' }
])
const passwordRules = ref([
 { required: true, message: '密码不能为空', trigger: 'onBlur' },
 { pattern: /^\w{6,24}$/, message: '密码必须为 6-24 位英文字母或数字', trigger: 'onBlur' }
])
const comfirmPasswordRules = ref([
 { required: true, message: '密码不能为空', trigger: 'onBlur' },
 { pattern: /^\w{6,24}$/, message: '密码必须为 6-24 位英文字母或数字', trigger: 'onBlur' },
 { validator: value => {
 if (value !== form.password) {
 return '两次输入的密码不一致'
 }
 return true
 }
 }
])
// 表单提交函数
const submitForm = async () => {
 const data = await register(form)
 if (data) {
 updateToken(data.token)
 const user = await getUser()
 updateUser({
 isLogin: true,
 username: user.username,
 avatar: user.avatar !== '' ? config.baseURL + '/' + user.avatar : ''
 })
 router.push({ name: 'user' })
 } }
const onFailed = errorInfo => {
 console.log('failed', errorInfo)
}
</script>
<style lang="less" scoped>
button {
 position: fixed;
 top: 270px;
}
.tip {
 position: fixed;
 top: 330px;
 text-align: center;
 width: 100%;
 font-size: 14px;
color: #666; }
</style>